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Key Technical Specifications
| Parameter | Value |
|---|---|
| Product type | Double-format PL7 processor |
| Automation platform | Modicon Premium |
| Programming software | PL7 Junior/Pro |
| Processor format | Double-format |
| Internal memory | 48 Kwords program and data without PCMCIA card |
| Data memory with PCMCIA | 48 Kwords data |
| PCMCIA program capacity | 160 Kwords |
| Additional PCMCIA data storage | Up to 2,688 Kwords |
| Maximum discrete I/O capacity | 1,024 I/O |
| Maximum analog I/O capacity | 80 I/O |
| Application-specific channels | Up to 24 |
| Process-control capacity | Up to 10 channels, up to 30 simple loops |
| Ethernet interface | Ethernet TCP/IP, RJ45, 10/100 Mbps |
| Serial interfaces | 2 non-isolated female mini-DIN ports, 19.2 kbps |
| Fipio capability | 1 Fipio bus connection |
| CANopen capacity | 1 CANopen module |
| AS-Interface capacity | Up to 4 AS-Interface bus modules |
| Maximum rack configuration | 16 racks with 4-, 6-, or 8-slot racks; 8 racks with 12-slot racks |
| Maximum module slots | 64, 96, or 128 depending on rack arrangement |
| Boolean execution time | 0.19 µs without PCMCIA; 0.21 µs with PCMCIA |
| Word or fixed-point execution time | 0.25 µs without PCMCIA; 0.42 µs with PCMCIA |
| Floating-point execution time | 2.6 µs |
| Backplane current | 1,110 mA at 5 V DC |
| Operating temperature | 0 to 60 °C |
| Mounting | Modicon Premium rack |
| Communication memory | PCMCIA slot for application or communication expansion |
Schneider Electric identifies the TSXP572623M as a double-format Modicon Premium PL7 processor with 48 Kwords of internal program/data memory and Transparent Ready capability. The processor includes integrated Ethernet TCP/IP at 10/100 Mbps and supports Fipio, CANopen, and AS-Interface expansion options.
Product Introduction
The Schneider Electric TSXP572623M is a double-format PL7 processor for Modicon Premium PLC systems. It executes PL7 Junior/Pro applications and manages up to 1,024 discrete I/O, 80 analog I/O, multiple racks, Ethernet TCP/IP communication, and Fipio fieldbus functions.
This Premium CPU is selected when a legacy installation requires high rack capacity, integrated Ethernet, and PCMCIA-based program or data expansion. It draws 1,110 mA from the 5 V DC rack supply, so verify available backplane capacity before installation.
TSXP572623M
TSXP572623M
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No CPU LEDs after power-up | Rack power, fuse, or backplane fault | ❌ Low | Measure the rack’s 5 V DC supply at the approved test points and inspect adjacent module LEDs | Check the power supply and backplane before replacing the processor |
| CPU RUN LED remains OFF | Processor boot failure, halted application, or configuration problem | ✅ High | Read the front-panel LEDs and connect with PL7 Junior/Pro or the approved programming environment | Capture diagnostic data before removing the CPU |
| CPU ERR LED is ON | Internal processor fault, memory error, or application issue | ✅ High | Read the diagnostic buffer and record the exact error code | Replace the processor if the fault follows the CPU after rack and memory checks |
| CPU reports a memory or PCMCIA fault | Missing, corrupt, or incompatible memory card | ✅ High | Power down, reseat the PCMCIA card, and inspect the card label and contacts | Use a verified compatible card; do not format or overwrite the original before backing it up |
| PLC starts in STOP after replacement | Lost application, invalid configuration, or incompatible firmware | ✅ High | Connect with PL7 software and compare the loaded application, CPU type, and firmware | Restore the correct application and verify the CPU revision before returning to RUN |
| Ethernet port does not link | Cable, switch, IP configuration, or port hardware fault | ✅ Medium | Check the RJ45 link LEDs, test with a known-good cable, and inspect switch-port status | Verify physical Ethernet first, then confirm IP parameters |
| Ethernet link is active but Modbus TCP fails | Wrong IP address, duplicate IP, subnet mismatch, or client configuration | ❌ Low to medium | Ping the configured address from the same subnet and check for duplicate-address symptoms | Correct network parameters before replacing the processor |
| Fipio devices disappear | Fipio address, cable, terminator, bus power, or processor interface fault | ✅ Medium | Check the Fipio diagnostic screen, bus status, cable shield, and termination | Isolate the bus segment; replace the CPU only if the interface fault remains |
| Multiple rack modules become unavailable | CPU rack configuration, inter-rack link, power supply, or bus fault | ❌ Low to medium | Check rack status, extension cables, rack addresses, and supply voltage at each rack | Diagnose the rack network before condemning the processor |
| Controller resets during operation | Brownout, excessive rack current, thermal issue, or CPU fault | ✅ Medium | Monitor the 5 V DC rail under load and calculate total rack current; inspect cabinet temperature | Keep at least 20% power-supply margin and replace the CPU only after supply stability is proven |
| Program runs but scan time increases | Application change, memory-card configuration, or task overload | ❌ Low to medium | Review PL7 task timing, program changes, and diagnostic counters | Investigate application execution before replacing hardware |
| Replacement will not fit or start correctly | Wrong CPU format, Premium rack mismatch, or incorrect part suffix | ✅ High | Compare the nameplate, mechanical format, rack family, and project hardware configuration | Stop installation and verify the full part number with the OEM documentation |
Critical warning: The TSXP572623M draws 1,110 mA at 5 V DC. Calculate the total Premium rack load, including remote racks and communication modules, before installing a replacement. If the fault remains unclear, contact technical support with CPU photos, LED status, PL7 diagnostic logs, firmware information, PCMCIA card details, rack layout, and measured 5 V DC voltage.
Frequently Asked Questions (FAQ)
Is the TSXP572623M a CPU or a communication module?
It is a PLC processor module for the Modicon Premium platform. Ethernet and Fipio interfaces are integrated into the processor, but the TSXP572623M also manages the Premium rack application, I/O, tasks, and communication services.
Which programming software does the TSXP572623M use?
The product is specified for PL7 Junior/Pro. Do not assume that a Unity or EcoStruxure Control Expert project can be downloaded directly without checking the CPU generation, firmware, project conversion path, and site backup procedure.
How much memory does the provide?
The processor provides 48 Kwords of internal program and data memory without a PCMCIA card. A compatible PCMCIA card can provide up to 160 Kwords for the program and up to 2,688 Kwords of additional data storage, depending on the card and application configuration.
Can I replace a with a TSXP572623?
Verify the complete suffix and hardware configuration before ordering. A similar base number does not guarantee identical memory, communication, firmware, or application behavior. Match the replacement against the existing CPU label, Premium rack configuration, PCMCIA cards, PL7 project, and required network services.
Will replacing the processor erase the PLC program?
It can, depending on where the application is stored and whether the replacement includes the original PCMCIA card or a valid backup. Back up the application, constants, configuration, and memory-card contents before removal. Never initialize, format, or overwrite the original card until the backup has been verified.
Can I hot-swap the ?
Do not assume hot replacement is allowed. The processor connects directly to the Premium rack and carries the application and communication functions. Follow the Schneider Electric installation procedure and site lockout requirements; power down the rack unless the approved system documentation explicitly authorizes live replacement.
Why can a surplus cost less than a factory-supplied unit?
The unit may be New Surplus, Factory Sealed, Used, or Refurbished (tested), and the supply chain for a legacy Premium processor varies by seller. Ask for clear photos of the model and revision labels, PCMCIA-card status, test documentation, lead time, and written warranty terms. A seller should not call a pulled or refurbished unit “New Original” without supporting packaging and traceability evidence.
